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5204ZZ Bearing 20x47x20.6 Angular Contact Ball Bearings

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ASIN B002BBK81M

Specifications for this item
Number of Items
1
Overall Width
20.6  millimeters
Part Number
Kit6933
Outside Diameter
47  millimeters
Brand Name
VXB
Inside Diameter
20  millimeters
Static Load Capacity
12700  Newtons
UNSPSC Code
31171531
Dynamic Load Capacity
20000  Newtons

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Key Features

  • Double-row angular contact ball bearing, supporting combined radial and bidirectional thrust loads
  • Ball contact angle of 20 degrees relative to the inner and outer raceways increases thrust load capacity
  • Metal shields on both sides of the bearing keep the lubricant in and contaminants out
  • Pressed steel cage evenly spaces balls for reduced friction, vibration, and noise
  • Normal axial internal clearance for applications where thermal expansion is not a factor

Package Details

Shipping Weight: 0.2 pounds
Package Size: 6.4 x 6 x 0.9 inches

Product Description

The VXB 5204ZZ double-row angular contact ball bearing is double-shielded and has a 20-degree contact angle, pressed steel cage, and normal clearance rating. It supports radial loads, thrust loads in both directions, and combined loads, and occupies less thrust space than a pair of single-row angular contact ball bearings mounted together. Because the two rows of rolling elements are mounted back-to-back, the bearing arrangement is relatively rigid and can accommodate tilting moments. The 52 series has a smaller cross section than the 53 series, making it suitable for smaller spaces, lighter loads, and higher speeds. This bearing is made of low-alloy, through-hardened carbon chromium steel for durability and resistance to deformity under heavy loads. The 20-degree contact angle of the balls in relation to the raceways gives the bearing a greater capacity for supporting thrust loads over bearings with a standard contact angle of zero degrees. Metal shields on both sides of the bearing keep out contaminants such as dirt and grime and hold in lubricant applied at manufacture. This bearing has a pressed steel cage to prevent the balls from coming into contact with each other during use, reducing friction, vibration, and noise. The bearing has a normal axial internal clearance designation, making it suitable for applications where the load and speeds do not result in thermal expansion. This clearance provides latitude for self-realignment and compensates for static and dynamic alignment errors. This angular contact ball bearing is for use in commercial and industrial applications including pumps and compressors, automotive drives, gearboxes, and printing machines, among others.

Rolling bearings use rolling elements to maintain the separation between moving parts to reduce rotational friction and support radial and axial loads. These elements can be one of the following types: ball, cylindrical, spherical, barrel, needle, spindle, or tapered. All rolling bearings are open, shielded, or sealed. Sealed bearings are lubricated with oil or grease in the bearing factory, while open and shielded bearings are meant to be lubricated in place, with periodic reapplication of lubrication, based on use. The shield protects the working parts of the bearing from environmental debris that may be introduced and could reduce the ball bearing speed and lifespan. Rolling bearings are used in a range of applications from agricultural machinery to conveying equipment, robotics, dental equipment, elevators, rolling mills, ship rudder shafts, and aggregate crushers, among others.

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